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Go back —> Tutorials
How to query the status of the nodes of a Testbed
If you have not done so yet:
- Register for an account
- Make a reservation on the Schedular for a given tesbed
Lets assume that you registered as user 'bob' and made a reservation for the 'grid' testbed. You then access the 'grid' console using the command:
ssh bob@console.grid.orbit-lab.org
Getting Started
Then, to query the status of some nodes on the 'grid' testbed, use the command:
orbit stat all # will query the status of the entire set of 20x20 nodes on the 'grid' orbit stat [[3,1],[5,6],[1,1..2]] # will query the status of nodes 3,1 and 5,6 and 1,1 and 1,2 orbit stat system:topo:circle # will query the status of the nodes in the topology file 'repository/system/topo/circle.rb' orbit stat mytopo # will query the status of the nodes in the topology file './mytopo.rb' orbit stat -c # will return a summary of the state of the nodes on the grid
Learning More
The complete available options for this command is given by "orbit help stat":
orbit help stat Returns the status of the nodes in a testbed Usage: orbit stat [-h] orbit stat [-c] [DOMAIN] orbit stat [TOPOLOGY] [DOMAIN] With: -h, --help print this help message -c, --count print a summary of the node status for the testbed DOMAIN (default is the testbed where this command is executed) TOPOLOGY a valid topology description or file without the trailing '.rb' (default is the entire set of nodes on the default testbed) Some Examples: orbit stat all grid orbit stat 1,1..2 orbit stat [[1,2],[1,1]] sb1 orbit stat [[1,1],[2..6,1..2]] orbit stat system:topo:all orbit stat system:topo:circle orbit stat topo_grid_active
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